CB3 file format description

Many people share .cb3 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cb3 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cb3 files.

1 filename extension(s) found in our database.

.cb3 - CliBench Mk III Data

The CB3 data files are related to CliBench Mk III. The CB3 file is a CliBench Mk III Data. CliBench is a small tool, that fits on a floppy disk and that checks your CPU, FPU, memory, and hard drive performance. The CliBench Mk III seems to be no longer supported.

CliBench Mk III
Data files
- / -
CliBench Mk III Data related extensions:
Allplan Engineering Plot Layout Data
YTGen Method Data
Binary DIFF Data
Autodesk AutoCAD Dialog Definition Data
KGB ZX Spectrum Emulator Snapshot
TriDef 3D Photo Transformer Depth Map

Naturally, other applications may also use the .cb3 file extension. Even harmful programs can create .cb3 files. Be especially cautious with .cb3 files coming from an unknown source!

Can't open a .cb3 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .cb3 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

b3, bc3, c3, c3b, cb, cbe, cbr, cbw, cf3, cg3, ch3, cn3, cv3, db3, sb3

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Scratch v3 Project
Cn3D Data
Eudemons Online 3D Model
Berkeley DB3 Database
Cocos2d-x 3D Model Data
Dr. Brain Game Data

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you have useful information about the .cb3 file format, then write to us!

DataTypes.net >> CB3 file